[IR] Manage TheNoneToken with a std::unique_ptr

Hopefully, this will make the sanitizer build bots happy.

llvm-svn: 253248

3 files changed, 3 insertions, 4 deletions

diff --git a/llvm/lib/IR/Constants.cpp b/llvm/lib/IR/Constants.cpp
index bcca8a2047f..457b69d2f39 100644
--- a/llvm/lib/IR/Constants.cpp
+++ b/llvm/lib/IR/Constants.cpp
@@ -1161,8 +1161,8 @@ Constant *ConstantVector::getSplat(unsigned NumElts, Constant *V) {
 ConstantTokenNone *ConstantTokenNone::get(LLVMContext &Context) {
   LLVMContextImpl *pImpl = Context.pImpl;
   if (!pImpl->TheNoneToken)
-    pImpl->TheNoneToken = new ConstantTokenNone(Context);
-  return pImpl->TheNoneToken;
+    pImpl->TheNoneToken.reset(new ConstantTokenNone(Context));
+  return pImpl->TheNoneToken.get();
 }
 
 /// Remove the constant from the constant table.
diff --git a/llvm/lib/IR/LLVMContextImpl.cpp b/llvm/lib/IR/LLVMContextImpl.cpp
index 48df5ba62f0..5239b4f7d84 100644
--- a/llvm/lib/IR/LLVMContextImpl.cpp
+++ b/llvm/lib/IR/LLVMContextImpl.cpp
@@ -21,7 +21,6 @@ using namespace llvm;
 
 LLVMContextImpl::LLVMContextImpl(LLVMContext &C)
   : TheTrueVal(nullptr), TheFalseVal(nullptr),
-    TheNoneToken(nullptr),
     VoidTy(C, Type::VoidTyID),
     LabelTy(C, Type::LabelTyID),
     HalfTy(C, Type::HalfTyID),
diff --git a/llvm/lib/IR/LLVMContextImpl.h b/llvm/lib/IR/LLVMContextImpl.h
index 3403cd4acfb..7e89b582cbd 100644
--- a/llvm/lib/IR/LLVMContextImpl.h
+++ b/llvm/lib/IR/LLVMContextImpl.h
@@ -924,7 +924,7 @@ public:
   ConstantInt *TheTrueVal;
   ConstantInt *TheFalseVal;
 
-  ConstantTokenNone *TheNoneToken;
+  std::unique_ptr<ConstantTokenNone> TheNoneToken;
 
   // Basic type instances.
   Type VoidTy, LabelTy, HalfTy, FloatTy, DoubleTy, MetadataTy, TokenTy;